import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 38917
 * Date: 2025-02-13
 * Time: 23:42
 */
public class printX {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while(in.hasNextInt()) {
            int n = in.nextInt();
            for(int i = 0 ; i < n ; i++) {
                for(int j = 0 ; j < n ; j++) {
                    if(i == j || i + j == n-1) {
                        System.out.print("*");
                    } else {
                        System.out.print(" ");
                    }
                }
                System.out.println();
            }
        }
    }
}
